Big Tech faces a historic legal showdown. A major trial over social media addiction has begun and could reshape the technology industry. Meta CEO Mark Zuckerberg testified before a jury for the first time over claims that social media harms young people. His testimony came more than four years after leaked internal documents suggested the company knew its platforms could…

People who drink tea or coffee daily may face a lower risk of dementia, researchers say.A US study tracked more than 130,000 people for up to 43 years.Those drinking two to three coffees or one to two teas daily showed a 15–20% lower dementia risk. Caffeinated coffee drinkers also showed slightly less cognitive decline than non-drinkers.Decaffeinated coffee showed no such…